CVE-2026-48842

high

Published 2026-05-25 · Modified 2026-05-26

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CVSS v3

8.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.1

Description

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.

Predictions

Exploit likelihood

88%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-48842 NameCVE-2026-48842 DescriptionRoundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)…

CVE-2026-48842

Name	CVE-2026-48842
Description	Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4604-1, DSA-6301-1
Debian Bugs	1137507

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
roundcube (PTS)	bullseye	1.4.15+dfsg.1-1+deb11u4	vulnerable
	bullseye (security)	1.4.15+dfsg.1-1+deb11u9	fixed
	bookworm	1.6.5+dfsg-1+deb12u8	vulnerable
	bookworm (security)	1.6.5+dfsg-1+deb12u9	fixed
	trixie	1.6.15+dfsg-0+deb13u1	vulnerable
	trixie (security)	1.6.16+dfsg-0+deb13u1	fixed
	sid	1.6.16+dfsg-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
roundcube	source	bullseye	1.4.15+dfsg.1-1+deb11u9	DLA-4604-1
roundcube	source	bookworm	1.6.5+dfsg-1+deb12u9	DSA-6301-1
roundcube	source	trixie	1.6.16+dfsg-0+deb13u1	DSA-6301-1
roundcube	source	(unstable)	1.6.16+dfsg-1		1137507

Notes

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b

OS impact

OS	Version	Status	Fixed in
debian	bullseye	fixed	`1.4.15+dfsg.1-1+deb11u9`
debian	sid	fixed	`1.6.16+dfsg-1`
debian	bookworm	fixed	`1.6.5+dfsg-1+deb12u9`
debian	trixie	fixed	`1.6.16+dfsg-0+deb13u1`
debian	forky	fixed	`1.6.16+dfsg-1`

References

CWEs

CWE-89

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.